Pith Number

pith:BM76U3XA

pith:2006:BM76U3XAOZ2RF4G2NEJGFYYAMM

not attested not anchored not stored refs pending

Analysing singularities of a benchmark problem

Jukka Tuomela, Samuli Piipponen, Teijo Arponen

arxiv:math/0611075 v1 · 2006-11-03 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BM76U3XAOZ2RF4G2NEJGFYYAMM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-03T22:06:21.043073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b3fea6ee0767512f0da691262e300633e7cce17c6bb696bbc41e6647deba036

Aliases

arxiv: math/0611075 · arxiv_version: math/0611075v1 · doi: 10.48550/arxiv.math/0611075 · pith_short_12: BM76U3XAOZ2R · pith_short_16: BM76U3XAOZ2RF4G2 · pith_short_8: BM76U3XA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BM76U3XAOZ2RF4G2NEJGFYYAMM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0b3fea6ee0767512f0da691262e300633e7cce17c6bb696bbc41e6647deba036

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1f957d6ec6561da5797136f20b9f6edc6531f3d267f49ae346d22c4912350bf",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2006-11-03T13:32:00Z",
    "title_canon_sha256": "bcfb2946efc4ee133bba3810b0fb46fea19f412bc0775a070a6b26c6f617bfdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0611075",
    "kind": "arxiv",
    "version": 1
  }
}